constraint_complexity.inc in Password Policy 6

Password policy constraint callbacks.

File

constraints/constraint_complexity.inc

<?php

/**
 * @file
 * Password policy constraint callbacks.
 */

/****************************************************************************/

/* Constraint API                                                           */

/****************************************************************************/

/**
 * Description of the constraint.
 */
function password_policy_constraint_complexity_description() {
  return array(
    'name' => t('Complexity'),
    'description' => t('Password must contain the specified minimum number of character types (lowercase, uppercase, digit or punctuation).'),
  );
}

/**
 * Error message of the constraint.
 */
function password_policy_constraint_complexity_error($constraint) {
  return format_plural($constraint, 'Password must contain characters of at least one of the following types: lowercase, uppercase, digit or punctuation.', 'Password must contain characters of at least @count different types (lowercase, uppercase, digit or punctuation).');
}

/**
 * Password validation.
 */
function password_policy_constraint_complexity_validate($password, $constraint, $uid) {
  $length = drupal_strlen($password);
  $num = 0;
  $upper = 0;
  $lower = 0;
  $digit = 0;
  $punct = 0;
  for ($i = 0; $i < $length; $i++) {
    if (ctype_upper($password[$i])) {
      $upper = 1;
    }
    elseif (ctype_lower($password[$i])) {
      $lower = 1;
    }
    elseif (ctype_digit($password[$i])) {
      $digit = 1;
    }
    elseif (ctype_punct($password[$i])) {
      $punct = 1;
    }
  }
  $num = $upper + $lower + $digit + $punct;
  return $num >= $constraint;
}

/**
 * Javascript portion.
 */
function password_policy_constraint_complexity_js($constraint, $uid) {
  $s = '';
  $s .= "  var i=0;\n";
  $s .= "  var num=0;\n";
  $s .= "  var upper=0;\n";
  $s .= "  var lower=0;\n";
  $s .= "  var digit=0;\n";
  $s .= "  var punct=0;\n";
  $s .= "  var chr=\"\";\n";
  $s .= "  while(i<value.length) {\n";
  $s .= "    chr=value.charAt(i);\n";
  $s .= "    if(chr.toUpperCase() != chr.toLowerCase()) {\n";
  $s .= "      if(chr == chr.toUpperCase()) {\n";
  $s .= "        upper=1;\n";
  $s .= "      }\n";
  $s .= "      else {\n";
  $s .= "        lower=1;\n";
  $s .= "      }\n";
  $s .= "    }\n";
  $s .= "    else if(\"1234567890\".indexOf(chr) != -1) {\n";
  $s .= "      digit=1;\n";
  $s .= "    }\n";
  $s .= "    else if(chr.toUpperCase() == chr.toLowerCase() && \"1234567890\".indexOf(chr) == -1 && chr != ' ') {\n";
  $s .= "      punct=1;\n";
  $s .= "    }\n";
  $s .= "    i++;\n";
  $s .= "  }\n";
  $s .= "  num=upper+lower+digit+punct\n";
  $s .= "  if (num<{$constraint}) {\n";
  $s .= "    strength=\"low\";\n";
  $s .= "    msg.push(translate.constraint_complexity);\n";
  $s .= "  }\n";
  return $s;
}

Functions

Name	Description
password_policy_constraint_complexity_description	Description of the constraint.
password_policy_constraint_complexity_error	Error message of the constraint.
password_policy_constraint_complexity_js	Javascript portion.
password_policy_constraint_complexity_validate	Password validation.